Dorma C853 Entry Keyed, Single...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$796.00
$201.34
Dormakaba Dorma C853 Entry Keyed, Single Cylinder Lever Lockset DOR-C853

Dorma C853 Entry Keyed, Single Cylinder Lever Lockset

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Model: C853 D LRC 626
$796.00
$201.34
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$796.00
$201.34
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DORMA C853 Series Locks

The C800 Series Grade 1 heavy-duty cylindrical locksets provide exceptional security, enhanced aesthetics, and rugged dependability. These premium locks are built with a high performance cylindrical chassis for all applications where ANSI/BHMA A156 2 Series 4000 Grade 1 products are required. To meet the aesthetic needs of your project, these versatile locks are available in a range of levers or knob trim design.

Locks ANSI/BHMA Grade 1 certified

  • With a high performance cylindrical chassis
  • Smooth operation
  • Easy installation
  • Freewheeling function

FEATURES

Exceptionally smooth operation

To ensure exceptionally smooth operation, the C800 Series locks with lever trim incorporate a cast stainless steel retractor combined with roller bearings. This design provides both extremely high strength and an extended service life for the lock mechanism.

Easy installation

DORMA C800 Series locksets are easy to install in both wood and hollow metal doors with ANSI/BHMA Standard A156.115 preparations for cylindrical locks.

Freewheeling function

All C800 Series operating lever trim features a specially designed freewheeling function to protect the lock from damage caused by excessive torque applied to the lever handles. When locked, the outside lever handle will move freely through a 60° arc without operating the latch bolt. This free movement minimizes the opportunity for damage to the lock mechanism.

Product Downloads

Architectural documents

Instruction sheets

Technical Brochure

Technical drawings CAD PDF

Manufacturer Resources

Product Specs

Product Group:
Mechanical Locks
Series:
C800 Series
Grade:
Grade 1
Standard Latch:
10252 - 2-3/4" backset, 1-1/8" x 2-1/4" front, 1" diameter, square corner
Standard Strike:
5001-1316 - ANSI strike w/ dustbox, 1-1/4" x 4-7/8", 1-3/16" lip length, square corner
ANSI/BHMA:
F109
Product Subgroup:
Bored Locksets
Product Type:
Cylindrical Locks
Subcategory:
Cylindrical Locks
Keyed Function:
Single Cylinder
Commercial/Residential:
Commercial
Keyed:
Yes
Handle Type:
Lever
Lock Function:
Entry/Office
Product Attribute:
Cylindrical Locks
Product Model:
C853
Backset (Distance):
2-3/4",Cylinder Type,D - Conventional Cylinder
Product Function:
Entrance
Door Hand Direction:
Dependent on lever selection
Door Thickness Range:
1-3/8" to 2-1/4"
Product Category:
Mechanical Locks
Department:
Door Hardware

Dormakaba C853 D LRC 626 – Frequently Asked Questions

1) Will the Dorma C853 latch into the strike already in my frame?
Depends what is in the frame now. The C853 ships with a 10252 latch on a 2-3/4 inch backset, 1-1/8 x 2-1/4 inch front, 1 inch diameter, square corner, and a 5001-1316 ANSI strike with dustbox measuring 1-1/4 x 4-7/8 inches with a 1-3/16 inch lip. If your frame is already cut for a full ANSI 4-7/8 inch strike, this drops straight in. If the frame carries a small 2-3/4 inch T-strike, the frame needs to be prepped up to ANSI or you are filling and re-cutting.
2) Is the Dorma C853 handed, and do I have to specify left or right?
Handing depends entirely on which lever you pick. Four of the lever designs, LC, LG, LR and LT, are non-handed. The LV lever is handed and is ordered specifically as left handed or right handed, so on that one you need to know which way the door swings before the order goes in.
3) What does the C853 entry function actually do when the door is locked?
The C853 is an entry/office function, ANSI F109, keyed on the outside only. Key retracts the latch from outside; the inside lever always retracts it for free egress. It is a single cylinder lock, so there is no key on the inside. That is the function you want on a tenant suite door, an office, or a back-of-house entrance where you want people out without a key but controlled coming in.
4) Can I get the Dorma C853 to work with my existing Schlage key system?
Four cylinder options cover most keying situations. D comes as a conventional cylinder in the SC keyway with two keys, so it will take a Schlage-keyway key blank if that is what your building is on. L is a conventional cylinder shipped less core. J is small format interchangeable core, less core, for anyone running an SFIC system. R is Schlage large format IC, less core. Order less-core if your locksmith is pinning to an existing masterkey system.
5) Will the Dorma C853 fit the existing lock prep in my hollow metal doors?
It installs into ANSI/BHMA A156.115 standard cylindrical prep in both wood and hollow metal doors, with a 2-3/4 inch backset and a 1 inch diameter latch bore. If your doors were previously fitted with any standard 161 cylindrical prep on a 2-3/4 inch backset, no new door machining is needed. The strike is where retrofits usually snag, since this one is the full 4-7/8 inch ANSI size.
6) My door is 2-1/8 inches thick. What cylindrical entry lock will actually fit it?
The Dorma C853 will. Its range runs to 2-1/4 inches, which is unusually deep for a cylindrical lockset. Most of the alternatives stop short: the Cal-Royal Calypso locks and the Lockey keyless units cap at 2 inches, the Alarm Lock Trilogy models at 1-7/8 inches, and several electronic cylindrical locks are built for 1-3/4 inch only. If you are hanging thick slabs or doors with added cladding, the C853's range is the reason to pick it.
7) What is the closest cross-brand equivalent to the Dorma C853 entry lever lockset?
The Marks USA 195RAB is the nearest match. It is a Grade 1 entry/office clutched lever lockset supplied less core, so it lands on the same duty class and the same function as the C853, which is a Grade 1 entry/office single cylinder lever lockset. The C853 covers both routes: it can be ordered as a D conventional cylinder with SC keyway and two keys, or less core as an L conventional, J SFIC, or R Schlage LFIC prep, so a house already keying to a small format or Schlage large format core can match the 195RAB's less-core approach directly.
8) Is there a lighter duty entry lever lockset than the Dorma C853 for a lower traffic door?
Two step down in grade while keeping the keyed entrance function. The Stanley QCL150 is a Grade 2 entrance lever with a bent Sierra lever, supplied less cylinder, with a square 2-3/4 inch backset latch and a 4-7/8 inch by 1-1/4 inch ASA strike. The Orca OCL250 is a Grade 2 medium duty entrance cylindrical lockset. Both share the C853's 2-3/4 inch backset territory and its entrance function, but the C853 is Grade 1 and carries the ANSI/BHMA F109 function designation with a 5001-1316 ANSI strike measuring 1-1/4 inch by 4-7/8 inch with a 1-3/16 inch lip and dustbox.
9) What should I use instead of the Dorma C853 on a bathroom or bedroom door that needs no key?
The C853 is a keyed single cylinder entry/office lock, so it is the wrong function for a privacy opening. For a Grade 1 privacy lever at the same duty class, the Cal-Royal CAL20 is an extra heavy duty Grade 1 privacy/bed/bath lock fitting 1-3/8 inch to 2 inch doors. The Orca OCL240 is a Grade 2 medium duty privacy cylindrical lockset if the traffic does not demand Grade 1. For a closet or corridor door that needs latching only, the Marks USA 195N is a Grade 1 Survivor Series passage lever, ADA compliant, and the Cal-Royal CAL30 is a Grade 1 extra heavy duty passage lock for 1-3/8 inch to 2 inch doors.
10) Can an electronic keypad cylindrical lock replace the Dorma C853 in the same door prep?
It can go in a cylindrical prep, but check door thickness before committing. The C853 fits doors from 1-3/8 inch to 2-1/4 inch. The electronic peers are narrower: the Alarm Lock Trilogy T2 DL2700 and the Trilogy 4100 both cover 1-5/8 inch to 1-7/8 inch, the TownSteel XCE-2000 covers 1-3/4 inch to 2 inch, the Schlage NDEB covers 1-5/8 inch to 2 inch, and the Schlage CO-100 and TownSteel FCE-2000 are 1-3/4 inch only. On a 1-3/8 inch door or a 2-1/4 inch door, the C853 is the one that fits. The C853 also stays purely mechanical with a keyed single cylinder, so there is no battery or credential program behind it.
11) What looks like a substitute for the Dorma C853 but is not?
Three traps. The Marks USA 110AB is an entry lockset on the same entrance/office function, but it is a Grade 2 round knob on a 2-3/8 inch backset, not a Grade 1 lever on 2-3/4 inch as the C853 is, so it changes both the ADA lever requirement and the bore centerline. The Stanley QTL230E is catalogued on the deadbolt function, so it does not latch the door the way an entrance lockset does. The Orca OCL2170 is a Grade 2 half dummy lever with no latching mechanism at all, for pull-side trim only. The C853 is a keyed Grade 1 entry lever with a 10252 latch on a 2-3/4 inch backset, 1 inch diameter, square corner.
12) What do I have to specify when ordering a Dorma C853 lockset?
Four choices decide the part number. Lever design: LC, LG, LR, LT, or LV in left or right hand. Rose: C rose at 3-1/2 inch diameter, D rose at 3-1/2 inch stamped LOCK, or E stepped rose at 3-1/2 inch. Cylinder: D conventional SC keyway with two keys, L conventional less core, J SFIC less core, or R Schlage LFIC less core. Finish: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 622 matte black, 625 bright chrome, or 626 satin chrome. Latch and ANSI strike come with it.
13) I need matching passage and privacy levers for the rest of the suite, not just the keyed entry. What pairs with a Dorma C853?
The C853 is the keyed entry function only. For the unkeyed openings on the same job you are looking at a different product. Cal-Royal's Calypso line covers both in Grade 1: the CAL30 is the passage function and the CAL20 is the privacy/bed/bath function, both rated for 1-3/8 to 2 inch doors. Marks USA also has the Grade 1 Survivor Series, the 195N in passage and the 195RAB entry clutched lever. Trim styling will not match the Dorma levers across brands, so if appearance matters across the suite, standardize on one family.
14) Should I put a mechanical keyed lever like the Dorma C853 on the door, or go electronic?
Key-only is the right call when the door has few users, keys are already managed on a master system, and you do not need to know who came through. The C853 is a Grade 1 mechanical entry lever, no batteries, no programming, wide 1-3/8 to 2-1/4 inch thickness range. Once you need code changes without rekeying, user audit trail, or credentials, you want a standalone electronic cylindrical lock instead: the Alarm Lock Trilogy T2 DL2700 gives 100 user codes and IC/SFIC compatibility, the Alarm Lock T3 adds audit trail, and the Schlage NDEB ENGAGE lock is Bluetooth and mobile-credential capable. Those electronic units have much tighter door thickness ranges, the DL2700 at 1-5/8 to 1-7/8 inch and the NDEB at 1-5/8 to 2 inch, so check the slab before switching.
15) What is the difference between the Dorma C853 and a storeroom lever lockset like the Marks 175RF?
Function and grade both differ. The C853 is a Grade 1 entry/office lock, ANSI/BHMA F109, where the outside lever can be locked or left unlocked from the inside for office use. The Marks USA 175RF is a Grade 2 storeroom clutched lever with small format IC, supplied less core, on a 2-3/4 inch backset with an ANSI strike, where the outside lever stays locked at all times and the key is the only outside entry. Both share the 2-3/4 inch backset the C853 lists. If the requirement is a storeroom-style lock that also takes a small format core, note the C853's J cylinder option is an SFIC less core prep.
16) For a classroom door, is the Dorma C853 the right lock or should I look at something else?
The C853 is built on the entry/office function, which is not a classroom function. TownSteel offers Grade 1 heavy duty classroom cylindrical locksets: the FCE-2000 with RFID on 1-3/4 inch doors, the FCE-4000 RFID intruder classroom lockset on 1-3/4 inch doors, the XCE-2000 with keypad on 1-3/4 inch to 2 inch doors, and the XCE-9000 classroom intruder lockset with keypad on 1-3/4 inch to 2 inch doors. The Schlage XE360M is a Grade 1 wireless classroom/storeroom lock on 1-3/4 inch doors. The C853 remains the fit for an office or entry opening on a door from 1-3/8 inch to 2-1/4 inch.
17) I need a keyless entry lock instead of a keyed lever. What are the options against the Dorma C853?
The C853 is a keyed lockset and ships as a D conventional cylinder with SC keyway and two keys or as a less core prep. If the goal is no key at the door, the Lockey 1600 is a heavy duty mechanical keyless knob lock with adjustable backset for 1-1/8 inch to 2 inch doors, entirely mechanical with no batteries. The Lockey E985 and E995 are electronic keypad lever locks with remote control for 1-3/8 inch to 1-3/4 inch doors, the E985 with key override. The BEST 9KZ EZ Series is an electronic keypad cylindrical lock with key override, and the Accentra nexTouch NTB613 is a Grade 1 cylindrical keypad lock with pushbutton entry. Note the C853's 1-3/8 inch to 2-1/4 inch door range is wider than the Lockey lever locks cover.
18) Which entry lockset gives the widest door thickness coverage across brands?
The Dorma C853 covers 1-3/8 inch to 2-1/4 inch, the widest span among the cylindrical entry comparables. The Cal-Royal CAL20 and CAL30 cover 1-3/8 inch to 2 inch, the Kwikset 912TNL SmartCode covers 1-3/8 inch to 2 inch, and the Lockey 1600 and 2830 cover 1-1/8 inch to 2 inch. The SDC E75 runs 1-3/4 inch to 2-1/8 inch and the SDC 7200 runs 1-3/4 inch to 2 inch. For a mixed fleet of wood and hollow metal doors on a single hardware standard, the C853's range takes in both the thin 1-3/8 inch leaf and the thick 2-1/4 inch leaf.
19) Which lock should I choose if the opening needs to be released by an access control system?
The Dorma C853 is a mechanical keyed lockset with no electrical connection, so it cannot be released remotely. The SDC Electra 7200 Series is a solenoid controlled cylindrical lock running dual voltage 12/24VDC for 1-3/4 inch to 2 inch doors, which is the one to specify when a card reader or panel must release the lever. The Schlage NDEB is a Grade 1 ENGAGE Series cylindrical lock with a 2.4 GHz Bluetooth Low Energy reader for 1-5/8 inch to 2 inch doors if the credential is read at the lock rather than through a panel. On doors staying on keys, the C853 handles 1-3/8 inch to 2-1/4 inch.
20) How do I tell the Dorma C853 apart from the Stanley QCL200 when both are cylindrical locks on an SC keyway?
The Stanley QCL200 is a QCL200 Series cylindrical lock supplied keyed different on an SC keyway with a 118F ANSI strike measuring 1-1/8 inch by 2-3/4 inch. The Dorma C853 is a C800 Series Grade 1 entry/office lever lockset whose D cylinder option is a conventional cylinder on an SC keyway with two keys, and its standard strike is the 5001-1316 ANSI strike with dustbox at 1-1/4 inch by 4-7/8 inch with a 1-3/16 inch lip. The strike sizes are different preps, so confirm what is cut into the frame before ordering either.
21) What finishes does the Dorma C853 lever lockset come in, and can I match the other doors in the building?
Eight standard architectural finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 622 matte black, 625 bright chrome, and 626 satin chrome. Those are BHMA finish codes, so if the existing hardware in the building is specified as 626 or 613, you are matching against the same numbering the other manufacturers use.
22) Why does the outside lever on my Dorma C853 turn when the door is locked?
That is the freewheeling design working as intended. On the C800 Series lever trim, the outside lever moves through a 60 degree arc when locked without retracting the latchbolt, so force applied to the handle goes nowhere near the mechanism. The lock is not broken and the door is not unlocked. On high abuse openings, tenant entries, schools, anywhere levers get pulled on, this is what keeps the chassis alive.
23) If I am standardizing a building on one Grade 1 lever family, which locks cover the other functions alongside the Dorma C853?
The C853 covers the keyed entry/office function at Grade 1. For the remaining openings in the same grade, the Marks USA 195N is a Grade 1 Survivor Series ADA compliant passage lever, the Marks USA 195RAB is the Grade 1 entry/office clutched lever less core, and the Cal-Royal CAL20 is a Grade 1 extra heavy duty privacy lever. The C853 itself is offered in LC, LG, LR, LT and LV lever styles across eight finishes from 605 bright brass to 626 satin chrome, so the aesthetic can be held constant across the entry openings while the other functions come from those peers.
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Does the Dormakaba C853 D LRC 626 come with a warranty?
Absolutely. The Dormakaba C853 D LRC 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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